<nav class="z-depth-0" id="nav-area">
  <div class="nav-drag-region" id="drag-area"></div>

  <div class="nav-wrapper">
    <i class="left material-icons" id="logo">vpn_key</i>

    <div class="chrome-tabs" id="tabs-area">
      <div class="chrome-tabs-content"></div>
    </div>

    <div id="tab-add-btn">✚</div>

    <ul class="right" id="traffic-lights">
      <li class="head-li">
        <a title="最小化" id="min-btn" class="btn-floating tiny-btn"></a>
      </li>
      <li class="head-li">
        <a title="最大化" id="max-btn" class="btn-floating tiny-btn white"></a>
      </li>
      <li class="head-li">
        <a title="关闭" id="close-btn" class="btn-floating tiny-btn red"></a>
      </li>
    </ul>
  </div>
</nav>
